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    • 8. 发明公开
    • Circularly polarized dielectric resonator antenna
    • Zirkularpolarisierte dielektrische Resonatorantenne
    • EP1826868A2
    • 2007-08-29
    • EP07011627.2
    • 1999-09-07
    • Qualcomm, Incorporated
    • Tassoudj, Mohammad AliOzaki, Ernest T.Lin, Yi-Cheng
    • H01Q9/04H01Q5/00H01Q21/28
    • H01Q21/28H01Q5/40H01Q9/0492
    • A dielectric resonator antenna (100) having a resonator (104) formed from a dielectric material mounted on a ground plane (108). The ground plane (108) is formed from a conductive material. First and second probes (112, 116) are electrically coupled to the resonator (104) for providing first and second signals, respectively, to or receiving from the resonator (104). The first and second probes (112, 166) are spaced apart from each other. The first and second probes (112, 116) are formed of conductive strips that are electrically connected to the perimeter of the resonator (104) and are substantially orthogonal with respect to the ground plane (108). The first and second signals have equal amplitude, but 90 degrees phase difference with respect to each other, to produce a circularly polarised radiation pattern. A dual band antenna (200, 220) can be constructed by positioning and connecting two dielectric resonator antennas (204, 208; 224, 228) together. Each resonator (204, 208; 224, 228) in the dual band configuration (200, 220) resonates at a particular frequency, thereby providing dual band operation. The resonators (204, 208; 224, 228) can be positioned either side by side or vertically relative to each other.
    • 一种具有由安装在接地平面(108)上的介电材料形成的谐振器(104)的介质谐振器天线(100)。 接地平面(108)由导电材料形成。 第一和第二探针(112,116)电耦合到谐振器(104),用于分别向谐振器​​(104)或从谐振器(104)接收第一和第二信号。 第一和第二探针(112,166)彼此间隔开。 第一和第二探针(112,116)由导电条形成,导电条电连接到谐振器(104)的周边并且基本上相对于接地平面(108)正交。 第一和第二信号相对于彼此具有相等的幅度但相差90度,以产生圆偏振辐射图。 双波段天线(200,220)可以通过将两个介质谐振器天线(204,208; 224,228)定位并连接在一起而构成。 双频带配置(200,220)中的每个谐振器(204,208; 224,228)以特定频率谐振,从而提供双频带操作。 谐振器(204,208; 224,228)可以相对于彼此并排或垂直地定位。